debug-breakpoints.js revision bb769b257e753aafcbd96767abb2abc645eaa20c 
1// Copyright 2008 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
4// met:
5//
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8//     * Redistributions in binary form must reproduce the above
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13//       contributors may be used to endorse or promote products derived
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15//
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug
29// Get the Debug object exposed from the debug context global object.
30Debug = debug.Debug
31
32function f() {a=1;b=2};
33function g() {
34  a=1;
35  b=2;
36}
37
38bp = Debug.setBreakPoint(f, 0, 0);
39assertEquals("() {[B0]a=1;b=2}", Debug.showBreakPoints(f));
40Debug.clearBreakPoint(bp);
41assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f));
42bp1 = Debug.setBreakPoint(f, 0, 8);
43assertEquals("() {a=1;[B0]b=2}", Debug.showBreakPoints(f));
44bp2 = Debug.setBreakPoint(f, 0, 4);
45assertEquals("() {[B0]a=1;[B1]b=2}", Debug.showBreakPoints(f));
46bp3 = Debug.setBreakPoint(f, 0, 11);
47assertEquals("() {[B0]a=1;[B1]b=2[B2]}", Debug.showBreakPoints(f));
48Debug.clearBreakPoint(bp1);
49assertEquals("() {[B0]a=1;b=2[B1]}", Debug.showBreakPoints(f));
50Debug.clearBreakPoint(bp2);
51assertEquals("() {a=1;b=2[B0]}", Debug.showBreakPoints(f));
52Debug.clearBreakPoint(bp3);
53assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f));
54
55// The following test checks that the Debug.showBreakPoints(g) produces output
56// like follows when changein breakpoints.
57//
58// function g() {
59//   [BX]a=1;
60//   [BX]b=2;
61// }[BX]
62
63// Test set and clear breakpoint at the first possible location (line 0,
64// position 0).
65bp = Debug.setBreakPoint(g, 0, 0);
66// function g() {
67//   [B0]a=1;
68//   b=2;
69// }
70assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0);
71Debug.clearBreakPoint(bp);
72// function g() {
73//   a=1;
74//   b=2;
75// }
76assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0);
77
78// Second test set and clear breakpoints on lines 1, 2 and 3 (position = 0).
79bp1 = Debug.setBreakPoint(g, 2, 0);
80// function g() {
81//   a=1;
82//   [B0]b=2;
83// }
84assertTrue(Debug.showBreakPoints(g).indexOf("[B0]b=2;") > 0);
85bp2 = Debug.setBreakPoint(g, 1, 0);
86// function g() {
87//   [B0]a=1;
88//   [B1]b=2;
89// }
90assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0);
91assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0);
92bp3 = Debug.setBreakPoint(g, 3, 0);
93// function g() {
94//   [B0]a=1;
95//   [B1]b=2;
96// }[B2]
97assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0);
98assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0);
99assertTrue(Debug.showBreakPoints(g).indexOf("[B2]}") > 0);
100Debug.clearBreakPoint(bp1);
101// function g() {
102//   [B0]a=1;
103//   b=2;
104// }[B1]
105assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0);
106assertTrue(Debug.showBreakPoints(g).indexOf("[B1]}") > 0);
107assertTrue(Debug.showBreakPoints(g).indexOf("[B2]") < 0);
108Debug.clearBreakPoint(bp2);
109// function g() {
110//   a=1;
111//   b=2;
112// }[B0]
113assertTrue(Debug.showBreakPoints(g).indexOf("[B0]}") > 0);
114assertTrue(Debug.showBreakPoints(g).indexOf("[B1]") < 0);
115Debug.clearBreakPoint(bp3);
116// function g() {
117//   a=1;
118//   b=2;
119// }
120assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0);
121